<template>
  <div class="todo-header">
    <input type="text" placeholder="请输入你的任务名称，按回车键确认"
     v-model="title"
     @keyup.enter="addT"
     />
  </div>
</template>

<script>
export default {
  name: "Header",
  props:['addTodo'],
  data() {
    return {
      title:'',
    };
  },
  methods:{
    addT() {
      let {title} = this;
      if(!title.trim()) return;
      let todo = {
        title,
        id:Date.now(),
        completed:false,
      };
      // this.addTodo(todo);
      this.$emit('addTodo',todo);
      this.title ="";
    },
  },
};
</script>

<style >
/*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}

.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075),
    0 0 8px rgba(82, 168, 236, 0.6);
}
</style>
